Home / 132,220.06-182,445.31-77,774.69

Finding the Fourth Proportional to 132,220.06, 182,445.31 and 77,774.69

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Solution

The fourth proportional to 132,220.06, 182,445.31 and 77,774.69 is: 107,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,220.06 : 182,445.31 = 77,774.69 : x
  2. Step 2: Convert to fraction form
    132,220.06/182,445.31 = 77,774.69/x
  3. Step 3: Cross multiply
    132,220.06x = 182,445.31 × 77,774.69
  4. Step 4: Simplify right side
    132,220.06x = 14,189,627,427.20
  5. Step 5: Solve for x
    x = 14,189,627,427.20/132,220.06
  6. Step 6: Final answer
    x = 107,318.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.